Finding the Fourth Proportional to 465,528.28, 642,674.52 and 313,366.48
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Solution
The fourth proportional to 465,528.28, 642,674.52 and 313,366.48 is: 432,610.99
Step by Step Solution
- Step 1: Write the proportion equation
465,528.28 : 642,674.52 = 313,366.48 : x - Step 2: Convert to fraction form
465,528.28/642,674.52 = 313,366.48/x - Step 3: Cross multiply
465,528.28x = 642,674.52 × 313,366.48 - Step 4: Simplify right side
465,528.28x = 201,392,652,118.09 - Step 5: Solve for x
x = 201,392,652,118.09/465,528.28 - Step 6: Final answer
x = 432,610.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.